Re: Possible to pass 'empty sequence' to function?
When is it a good idea to type a variable/param as "xs:string?" - what benefits does it bring over not specifying the "as" attribute? if you don't use as then an xsl:variable with content and no select attribute produces a temporary tree, what we used to lovingly call a result tree fragment. <xsl:variable name="x">hello</xsl:variable> $x is (a sequence of one) document node that has a single text node child that has string value "hello" <xsl:variable name="y" as="string?">hello</xsl:variable> $x is (a sequence of one) string with value "hello" David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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